The products were analyzed simultaneously using ethyl benzoate ( EB ) as internal standard.以苯甲酸乙 酯 为内标物,一次性同时分析了塔釜产物中各组分含量.The crude, wet benzoate ( 118 grams ) was dissolved with reflux in 1 , 400 ml methanol.将粗制 、 湿的苯甲...
When , in the sixth century B.C., Chaldea fell to the Persians, Egypt followed suit.公元前第六世纪, 迦勒底被波斯人所征服, 埃及也相继覆灭.As soon as she saw them, she lustedafter them and sent messengers to them in Chaldea.阿荷利巴一看见就贪恋他们、打发使者往迦勒底去...
They have the right to come in and inspect the meter.他们有权进来查表。Elaine went outside to inspect the playing field.伊莱恩走到外面查看操场。The captain wants to inspect your kit.船长想检查你的行装....
The minute division of labour in the production process,and increasing interdependency in trade and economy is evident in the financial crisis afflicting us at the end of this century. Economic activity is no longer pure...